:root {
  --bg-dark: #0a0d14;
  --panel-bg: rgba(18, 24, 38, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-gold: #ffb703;
  --accent-orange: #fb8500;
  --accent-blue: #2196f3;
  --accent-green: #00e676;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 10% 20%, rgba(251, 133, 0, 0.08) 0px, transparent 50%),
    radial-gradient(at 90% 80%, rgba(33, 150, 243, 0.08) 0px, transparent 50%);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
}

/* Sidebar Layout */
.app-container {
  display: flex;
  width: 100vw;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.brand-logo {
  font-size: 32px;
}

.brand-title h2 {
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, #ffb703, #fb8500);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-title p {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: rgba(255, 183, 3, 0.12);
  border-left: 3px solid var(--accent-gold);
}

.main-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.header-bar h1 {
  font-size: 26px;
  font-weight: 800;
}

/* Cards & Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 183, 3, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-info h3 {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-info p {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
}

/* Forms & Tables */
.card-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.panel-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, #fb8500, #ffb703);
  color: #000;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-gold);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
}

.data-table td {
  font-size: 14px;
}

.badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  display: inline-block;
}

.badge-success { background: rgba(0, 230, 118, 0.15); color: #00e676; }
.badge-warning { background: rgba(255, 183, 3, 0.15); color: #ffb703; }